#include <fcntl.h>
#include <unistd.h>
#include <stdlib.h>
int main()
{
	int fd = 0;
	fd = creat("file.hole",O_CREAT);
	write(fd, "1234", 4);
	lseek(fd, 2000, SEEK_SET);
	write(fd,"4567", 4);
	exit(0);
	return 0;
}
